Making coffee solution :

In a small bowl take 1.5 tbsp instant coffee.

Add 1/4 cup warm water.

Mix very well with a spoon.

Making cold coffee :

Now pour this mixture in a blender jar.

Add 4 tbsp sugar or as per your taste.

Blend for a minute.

Now add 4 to 5 ice cubes.

Add 2 vanilla ice cream scoops.

Pour 2.5 cups chilled milk.

Blend once more till everything is mixed well.

Pour cold coffee in glasses.

Now place 1 or 2 ice cream scoops and serve.